Research Topics
| Anthony D WrightSummaryAffiliation: University of Hawaii Country: USA Publications
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Publications
Anti-malarial, anti-algal, anti-tubercular, anti-bacterial, anti-photosynthetic, and anti-fouling activity of diterpene and diterpene isonitriles from the tropical marine sponge Cymbastela hooperiAnthony D Wright
College of Pharmacy, University of Hawaii at Hilo, Hilo, Hawaii 96720, USA
Org Biomol Chem 9:400-7. 2011..The results showed a positive correlation between reduction in photosynthetic activity and the interaction of the modelled compounds with a potential enzyme active site...
Diterpene formamides from the tropical marine sponge Cymbastela hooperi and their antimalarial activity in vitroAnthony D Wright
College of Pharmacy, University of Hawaii at Hilo, Hilo, Hawaii 96720, USA
J Nat Prod 72:492-5. 2009..5 microg/mL), 2 had weak activity (IC(50) 14.8 microg/mL), and 3-5 were inactive. The pattern of activity found for the metabolites investigated in the current study is consistent with previous findings for these classes of molecules...
Detailed NMR, including 1,1-ADEQUATE, and anticancer studies of compounds from the echinoderm Colobometra perspinosaAnthony D Wright
Australian Institute of Marine Science, PMB No 3, Townsville MC, Townsville 4810, Australia
Mar Drugs 7:565-75. 2009..The NMR data for 4 and 5 are reported here for the first time, as is their occurrence from the marine environment. The in vitro anticancer activity of the original extract was found to be associated with 1, 3 and 5...
Metachromins U-W: cytotoxic merosesquiterpenoids from an Australian specimen of the sponge Thorecta reticulataSimon P B Ovenden
Australian Institute of Marine Science, PMB No 3, Townsville MC, Townsville, Qld 4810, Australia
J Nat Prod 74:1335-8. 2011..All compounds were found to have 50% growth inhibition activities in the range 2.1-130 μM, with 2 being the most active (GI50 2.1-10 μM)...
Update of spectroscopic data for 4-hydroxydictyolactone and dictyol E isolated from a Halimeda stuposa - Dictyota sp. assemblageSimon P B Ovenden
Australian Institute of Marine Science, PMB No 3, Townsville MC, Townsville 4810, Australia
Molecules 17:2929-38. 2012..A minor revision of 1 and new spectroscopic data for 1 and 2 are provided, along with associated anti-cancer activities of compounds...
Comosusols A-D and comosone A: cytotoxic compounds from the brown alga Sporochnus comosusSimon P B Ovenden
Australian Institute of Marine Science, PMB No 3, Townsville MC, Townsville, 4810, Australia
J Nat Prod 74:739-43. 2011..The cytotoxic activity of all compounds was investigated against a panel of human tumor and mammalian cell lines. These assays found eight of the nine compounds had GI(50) values in the 8-63 μM range...
Sesquiterpene benzoxazoles and sesquiterpene quinones from the marine sponge Dactylospongia elegansSimon P B Ovenden
Australian Institute of Marine Science, PMB No 3, Townsville MC, Townsville, 4810, Australia
J Nat Prod 74:65-8. 2011..All compounds were found to have activities in the range 1.8-46 μM and lacked selectivity for tumor versus normal cell lines...
A great barrier reef Sinularia sp. yields two new cytotoxic diterpenesAnthony D Wright
Australian Institute of Marine Science, PMB No 3, Townsville MC, Townsville, Qld 4810, Australia
Mar Drugs 10:1619-30. 2012..The lobanes and cembranes tested demonstrated 50% growth inhibition in the range 6.8-18.5 µM, with no selectivity, whilst 1 was less active (GI₅₀ 70-175 µM)...
A new diketopiperazine, cyclo-(4-S-hydroxy-R-proline-R-isoleucine), from an Australian specimen of the sponge Stelletta spSimon P B Ovenden
Australian Institute of Marine Science, Townsville MC, Australia
Mar Drugs 9:2469-78. 2011..The isolation and structure elucidation of the diketopiperazine (1), together with the activity of 1-8 against a panel of human and mammalian cell lines are discussed...
Production of manoalide and its analogues by the sponge Luffariella variabilis Is hardwiredPiers Ettinger-Epstein
School of Marine and Tropical Biology, James Cook University, Townsville, Queensland, Australia
Mar Biotechnol (NY) 10:64-74. 2008..However, these ratios varied between individuals, with some individuals consistently producing high levels of manoalide and manoalide monoacetate, providing the potential for selection of high-yielding stocks...
Design, synthesis, and biological evaluation of callophycin A and analogues as potential chemopreventive and anticancer agentsLi Shen
Department of Pharmaceutical Sciences, College of Pharmacy, University of Hawai i at Hilo, Hilo, HI 96720, USA
Bioorg Med Chem 19:6182-95. 2011..7 μM). The S-isomer 12a of callophycin A showed the most potent activity in aromatase inhibition (IC(50)=10.5 μM)...
Potential antimalarial lead structures from fungi of marine originAnthony D Wright
Australian Institute of Marine Science, Townsville MC, Queensland 4810, Australia
Planta Med 71:964-6. 2005..Although the mean selectivity index of 1 for the observed antiplasmodial activity of 4 is low, pycnidione's usefulness as a potential lead structure should not be ignored...
Twilight zone sponges from Guam yield theonellin isocyanate and psammaplysins I and JAnthony D Wright
College of Pharmacy, University of Hawaii at Hilo, Hilo, 96720 Hawaii, United States
J Nat Prod 75:502-6. 2012..For the compounds isolated from the Rhaphoxya sp., this is the first report of the known compounds 2-4 being found in a single sponge. For previously reported compounds 2-4 complete unambiguous (1)H and (13)C NMR data are provided...
Eusynstyelamides A, B, and C, nNOS inhibitors, from the ascidian Eusynstyela latericiusDianne M Tapiolas
Australian Institute of Marine Science, PMB No 3, Townsville MC, Queensland, 4810, Australia
J Nat Prod 72:1115-20. 2009..6 and 6.5 mM, respectively) and mild inhibitory activity toward the C(4) plant regulatory enzyme pyruvate phosphate dikinase (PPDK) (IC(50) values of 19 and 20 mM, respectively)...
Acetylated sesterterpenes from the Great Barrier Reef sponge Luffariella variabilisPiers Ettinger Epstein
Australian Institute of Marine Science PMB 3, Townsville MC, Queensland, 4810, Australia, School of Marine Biology and Aquaculture, James Cook University, Townsville, Queensland, 4811, Australia
J Nat Prod 70:648-51. 2007..Sponge samples that were completely thawed contained only hydroxylated compounds (alcohols). This finding supported the deduction that the acetylated compounds are being enzymatically transformed and/or degraded...
The importance of 1H-nuclear magnetic resonance spectroscopy for reference standard validation in analytical sciencesDovi Kelman
Department of Pharmaceutical Sciences, College of Pharmacy, University of Hawaii at Hilo, Hilo, Hawaii, United States of America
PLoS ONE 7:e42061. 2012..This paper clearly illustrates the importance of validation of all standards used in analysis of organic materials by recording at least a (1)H-NMR spectrum of them prior to their use...
Biological activities and 3D QSAR studies of a series of Delisea pulchra (cf. fimbriata) derived natural productsAnthony D Wright
Australian Institute of Marine Science, PMB No 3, Townsville MC, Qld 4810, Australia
J Nat Prod 69:1180-7. 2006..This hypothesis is developed around an active molecule having a framework based on compound 11 with an OH function or OAc (assay dependent) at C-7 and bulky electron-rich groups at C-6, such as Cl and Br but not I...
Effects of cyanobacterium Fischerella ambigua isolates and cell free culture media on zebrafish (Danio rerio) embryo developmentAnthony D Wright
Australian Institute of Marine Science, PMB No 3, Townsville MC, Qld 4810, Australia
Chemosphere 65:604-8. 2006..Due to the high concentration of ambigol A used in this assay these effects were considered to be of minor importance when compared to those of the culture medium...
Ambigol C and 2,4-dichlorobenzoic acid, natural products produced by the terrestrial cyanobacterium Fischerella ambiguaAnthony D Wright
Australian Institute of Marine Science, PMB No 3, Townsville MC, Qld 4810, Australia
J Nat Prod 68:459-61. 2005..All structures were secured by extensive spectroscopic analysis (1D and 2D NMR, MS, UV, IR). Ambigol C has moderate activity against Trypanosoma rhodesiense...
